Home / 1,191,475.78-1,644,252.96-647,611.18

Finding the Fourth Proportional to 1,191,475.78, 1,644,252.96 and 647,611.18

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Solution

The fourth proportional to 1,191,475.78, 1,644,252.96 and 647,611.18 is: 893,712.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,475.78 : 1,644,252.96 = 647,611.18 : x
  2. Step 2: Convert to fraction form
    1,191,475.78/1,644,252.96 = 647,611.18/x
  3. Step 3: Cross multiply
    1,191,475.78x = 1,644,252.96 × 647,611.18
  4. Step 4: Simplify right side
    1,191,475.78x = 1,064,836,599,644.09
  5. Step 5: Solve for x
    x = 1,064,836,599,644.09/1,191,475.78
  6. Step 6: Final answer
    x = 893,712.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.